Which of the following statement(s) is/are correct?

(A) The pH of \(1\times {10}^{-8}\) solution is 8 .

(B) The conjugate base \({\mathrm{H}}_{2}{\mathrm{PO}}_{4}^{-}\) is \(\mathrm{H}{{\mathrm{PO}}_{4}}^{2-}\).

(C) \({\mathrm{K}}_{\mathrm{W}}\) increases with increase in temperature.

(D) When a solution of weak monoprotic acid is titrated against a strong base at half neutralisation point, \(\mathrm{pH}=\frac{1}{2}{\mathrm{pK}}_{\mathrm{a}}\)

Choose the correct answer from the option given below.

[JEE Main 2023, 15 Apr (Shift 1)]

Question

Which of the following statement(s) is/are correct?

(A) The pH of \(1\times {10}^{-8}\) solution is 8 .

(B) The conjugate base \({\mathrm{H}}_{2}{\mathrm{PO}}_{4}^{-}\) is \(\mathrm{H}{{\mathrm{PO}}_{4}}^{2-}\).

(C) \({\mathrm{K}}_{\mathrm{W}}\) increases with increase in temperature.

(D) When a solution of weak monoprotic acid is titrated against a strong base at half neutralisation point, \(\mathrm{pH}=\frac{1}{2}{\mathrm{pK}}_{\mathrm{a}}\)

Choose the correct answer from the option given below.

[JEE Main 2023, 15 Apr (Shift 1)]

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Which of the following statement(s) is/are correct? (A) The pH of \(1\times {10}^{-8}\) solution is 8 . (B) The conjugat…

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